OpenTechnical

OT-2026-000060430

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060430) never changes.

Identity and time

Publication numberOT-2026-000060430 · never reused
Internal UUID01a0ae8a-b7cb-753d-82bf-229311b4da74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060430
StatusPUBLIC

Content hashes

Canonical text3eef7c79eb24255cfd3694c408d51048fbe8a1023da74d4185e9f6a6207e5511
Markdownb16cb336fd1cedeedc523f681494fc65b3fb429dd04bea962afa331676e30ef3
PDF
Publication page5bb3ea01f4a77ebc9f2e747c62ca0992f103f40b730b7ad00f8d3db1292c2323
Manifestb1961594afc3e7f09d7fb115ad395071f7f8fda09042c8328c264268f91bf39d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturej2dniAVSVPqXDB/tXexTh6d4H93+/G3OlwKB4Q1phUQh9SJfYaspmj92kDbUnx6GEVMC7lz0GqkLkhCzNix6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:54.375805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060430
observed 5bb3ea01f4a77ebc9f2e747c62ca0992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.356744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060430/manifest.json
observed b1961594afc3e7f09d7fb115ad395071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.339575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060430/publication.md
observed b16cb336fd1cedeedc523f681494fc65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.322663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060430/publication.txt
observed 3eef7c79eb24255cfd3694c408d51048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.